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Authors
Duan, Ruisheng
Xue, Wenjun https://orcid.org/0000-0002-4260-9231
Wang, Kunpeng
Yin, Nan
Hao, Hongyu
Chu, Hongshan
Wang, Lijun
Meng, Peng
Diao, Le
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Article History
Received: 24 August 2020
Accepted: 30 October 2020
First Online: 13 November 2020
Ethics approval and consent to participate
: The study was carried out in accordance with The Code of Ethics of the World Medical Association (Declaration of Helsinki) for experiments involving humans, and the protocol was approved by the Ethics Committee of Hebei General Hospital, the First People’s Hospital of Pingdingshan and the Affiliated Hospital of Chengde Medical University. Informed consent was obtained for experimentation with human subjects. Every individual was informed about the aims of the study and provided written consent before participation. Written informed consent was obtained from a relative in the case of patients with impaired cognition.
: Not applicable.
: The authors declare that they have no competing interests.
